已知岩样的容重 =22.5kN/m<sup>3</sup>，比重<img src="/Image1/1a/1a184c4dfbe87856bf6b0c9206fbee37.jpg" />，天然含水量 <img src="/Image1/70/7058ae476fc75668a36783a5514b38ff.jpg" />，试计算该岩样的孔隙率n，干容重<img src="/Image1/98/9831db3701624a3a13b40555469979a1.jpg" />及饱和容重<img src="/Image1/b3/b34d364b3ca82464728459617bf2c932.jpg" />。